-30.75% is the change from 517 to 358
Calculation steps:
[( 358 - 517 ) ÷ 517] x 100 = -30.75%
Formula
Percentage change = [(358 - 517) / 517] x 100
Subtract the new number by the original number
358 - 517 = -159
-159 ÷ 517 = -0.30754352030947774
-0.30754352030947774 x 100 = -30.75%